text: On the morning of May 20, at Tan Son Nhat Airport in HCMC, Korean Air planes had to divert to another runway because of bird entanglements?
classes:  No, on the morning of May 20, a plane had to change its runway due to an incident at Tan Son Nhat airport.  Also, on the morning of May 20, a plane had to change its runway due to an incident at Tan Son Nhat airport.  Yes, on the morning of May 20, a plane had to change its runway due to an incident at Tan Son Nhat airport.